Source:
Delaware State Veterinarian
Number Confirmed: 4; Horse 1: Age: 1; Gender: Filly; Breed: Standardbred; Clinical Signs: Signs of infection in horses include fever (although not always with WNV), anorexia, head pressing, depression or personality change, wobbling or staggering, weakness, blindness, convulsions, muscle spasms in the head and neck, or hind-limb weakness.; Horse Status: Recovering; Vaccination Status: Unvaccinated;Horse 2: Age: 3; Gender: Filly; Breed: Standardbred; Clinical Signs: Signs of infection in horses include fever (although not always with WNV), anorexia, head pressing, depression or personality change, wobbling or staggering, weakness, blindness, convulsions, muscle spasms in the head and neck, or hind-limb weakness.; Horse Status: Recovering; Vaccination Status: Unvaccinated;Horse 3: Age: 6; Gender: Mare; Breed: Standardbred; Clinical Signs: Signs of infection in horses include fever (although not always with WNV), anorexia, head pressing, depression or personality change, wobbling or staggering, weakness, blindness, convulsions, muscle spasms in the head and neck, or hind-limb weakness.; Horse Status: Euthanized; Vaccination Status: Unvaccinated;Horse 4: Age: 1; Gender: Colt; Breed: Standardbred; Clinical Signs: Signs of infection in horses include fever (although not always with WNV), anorexia, head pressing, depression or personality change, wobbling or staggering, weakness, blindness, convulsions, muscle spasms in the head and neck, or hind-limb weakness.; Horse Status: Recovering; Vaccination Status: Unvaccinated;Horse 5: Age: 14; Gender: Mare; Breed: Standardbred; Clinical Signs: Signs of infection in horses include fever (although not always with WNV), anorexia, head pressing, depression or personality change, wobbling or staggering, weakness, blindness, convulsions, muscle spasms in the head and neck, or hind-limb weakness.; Vaccination Status: Unvaccinated;Comments: These are the first Delaware cases of WNV in horses in 2023, with the cases occurring between September 9 and October 16, 2023.;